unrouteable mail domain “domain.com”
his message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
unrouteable mail domain "xxxxx.com"
------ This is a copy of the message, including all the headers. ------
root@makine# /scripts/exim4 --force